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Title:
固体酸化物型燃料電池セパレーター用フェライト系ステンレス鋼
Document Type and Number:
Japanese Patent JP4675066
Kind Code:
B2
Abstract:

To provide steel for a solid oxide type fuel cell separator high temperature electrical conductivity and thermal fatigue properties of which are improved at the same time in a fundamental composition essentially consisting of no expensive elements.

The ferritic stainless steel for a solid oxide type fuel cell separator has a composition comprising, by mass, ≤0.05% C, ≤1.5% Si, ≤1.5% Mn, ≤0.01% S, 15 to 40% Cr, 0.4 to 4% Cu, ≤0.05% N, 0 to 4% Mo, 0 to 4% W, 0 to 0.8% Nb, 0 to 0.5% Ti, 0 to 0.5% Zr, 0 to 0.5% V, 0 to 0.5% Ta, 0 to 6% Al, 0 to 0.1% Y, 0 to 0.1% REM (rare earth elements), 0 to 0.01% Ca and 0 to 0.01% B, and the balance Fe with inevitable impurities.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Yukihiro Nishida
Kazuyuki Kageoka
Shiro Tomita
Okaku
Application Number:
JP2004184506A
Publication Date:
April 20, 2011
Filing Date:
June 23, 2004
Export Citation:
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Assignee:
Nisshin Steel Co., Ltd.
International Classes:
C22C38/00; C22C38/32; H01M8/02; H01M8/12
Domestic Patent References:
JP2003187828A
JP2005320625A
JP2005076040A
JP2005226083A
JP2000294256A
JP2003328088A
JP2002105605A
JP2004076154A
Attorney, Agent or Firm:
Komatsu Taka
Kenji Wada
Koji Hagiwara